How to adjust the carburetor for VAZ 2109? The circuit 2109. Carburetor VAZ

If the engine – the heart of the car, the carb is the valve. And how right he is set up, many performance cars. This and fuel consumption, power and acceleration, and even the level of toxicity of exhaust gases. From time to time have this item to adjust. Today we'll look at how to adjust the carburetor for VAZ 2109 with his own hands.

Despite the fact that the Volga car factory has released several modifications of the “nine” with different characteristics, the carb they had the same brand – domestic "Solex”. What is this parts diagram? 2109 decades were fitted with Solex carb, and its design is also not changed over the years. But the schema you can see on the 2nd photo.

The Preparatory phase

Before you adjust the carburetor for VAZ 2109, it should be thoroughly cleaned. But that won't be necessary (though with the proviso that it is not different sediments). If it has rust or carbon, an element necessary to flush potent tool. Otherwise, like you correctly did not try to adjust the carburetor, the result will be minimal.

What you need for cleaning?

In the course of this operation we will need the following tools and materials:

1. The user Manual for the VAZ 2109 (by the way, the schema of the carburetor “Solex" is indicated on the right in the photo).
2. Smooth fabric gloves.
3. A Few thin sticks (come a common toothpick). Alternatively, you can take toothbrush. We are going to clean carburetor vases.
4. Pair rubber gloves (wear two pairs to a potent solvent came to the surface of the skin).
5. A Set of wrenches and a screwdriver.
6. A can of compressed air. Alternatively you can take a conventional aerosol like air freshener.

Alternatively, you can use goggles. If you have none, keep the maximum distance between the carburetor and apply gently on the surface cleaner.

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What's the best to choose?

At the moment you can buy a wide variety of substances to clean carburetors. They do dozens of companies. The selection rule is simple. In the store you should ask the seller specialized fluid designed specifically for carburetors (for cleaning). Remember that remedy WD 40 is not suitable for this due to the large oil content! Often specialized cleaners are sold in the cans – such should buy in the shops.

If you have not engaged in cleaning the carburetor, surface cleaning will not be enough. With the rich content of sediments is required to fully analyze it, and to handle every detail with a spray can separately.

Details

During the disassembly pay particular attention to springs and small screws. Try to put them in a separate box or number, so then there were no problems during Assembly of the carburetor at the end. Examining the item need to be handled from a container every detail, even the smallest. All rubber parts must be removed from the carburetor. In contact with them, the solvent can cause deform, and they will lose their sealing properties. Also do not apply the cleaner on the plastic elements. They should be isolated from the fluid.

After you have processed all the mechanisms you need to wait about 10-15 minutes so that rust deposits are partially dissolved. Further, the elements are washed under running water. If necessary, you can use a toothpick or toothbrush.

With a brush or chopsticks, don't try poking around in the valves and the holes of the carb. Through them the air enters or fuel, so once there, the dirt can greatly exacerbate the motor and cause increased fuel consumption. Such holes are cleaned with compressed air or spray. By the way, the remnants of the used cleaner can be applied again – this substance has a very long shelf-life and almost loses its properties over long periods of time. Further, the carb thoroughly dry and then proceed to the second part of our repair – adjustment.

How to adjust the carburetor for VAZ 2109 with his own hands?

The First thing you need to do the float chamber, which controls the level of fuel.

Do Not attempt to pick at the outlet of the carb and valves. These vents feed fuel and air, which are very important for the smooth operation of the engine. Are the holes clean spray or compressed air. Liquid cleaner can be used repeatedly. Some economical motorists use the cleaner several times.

After cleaning the carb thoroughly dry it, and you can start the adjustment. This procedure is very long and complex, but dealing with it is quite real. First, start the engine and give him the opportunity to workfor a few minutes. Next, unplug it and dismantle the air filter. Then remove the fuel hose. Carefully take out the few bolts and remove the cover of the carburettor. Remember that one wrong movement floats can be damaged, therefore, we do everything with extreme caution. Then take calipers and measure the gap from the fuel level to the edge of the housing.
Ideally, this value should be 25.5 millimeters (allowed a run in 1-2 mm). If this clearance is not correct, you need to bend the tab of the bracket of the float. For greater accuracy do this procedure several times. As the cap we will have inverted you need to make sure that the edge of the float and the mating surface are parallel.

Starter

But that's not all. How to adjust the carburetor for VAZ 2109 on? After this work, go to configuring a trigger device. First you need to make sure that its diaphragm is suitable for further operation. It is very simple – Unscrew 4 bolts and remove the cover of the mechanism. If it is deformed or cracked, it should be replaced. After this, proceed to the adjustment of the starting device. First, turn the choke lever so that it is moved to the closed position. Next, push with a screwdriver stock.

After this, measure the gap between the chamber wall and plate. It is necessary to compare with the one specified in the documentation "Alexa”. In order to change the gap, you have to loosen the lock nut and a screwdriver to turn the adjusting screw clockwise or counterclockwise. Next, measure the gap throttle, which is on the 1st camera. The received data must coincide with the regulations, which are in the technical documentation. If this clearance is not correct, adjust it by turning the screw of the throttle.

Adjusting XX

All now it remains for small. We have to make the last stage – the idle speed adjustment. Before beginning this operation it is again heated to operating temperature, the engine VAZ 2109. Carburetor must be mounted on its regular place. So, turn off the engine and look at the condition of the screw of quality of a mix. It should be wrapped and then remove up to 4 turns. Then again start the motor, remove the choke and turn on the high beam together with the fan. At the same time, adjust the screw of quantity of fuel-air mixture.
It should be put in a position to Rev the engine at idle was not over 800 and at least 750 rpm. After the screw achieve maximum speed.

What to do after?

Then again change the speed of the screw the number up to 900 rpm Screw exposed to 800 rpm. after that the last element of spin to the point of instability. Once again, Unscrew it to ½ turn. As you can see, the replacement of the carburetor (VAZ 2109 "Samara") is not required. But you need to know the entire sequence of work on putting the right values on the screws of the quality and quantity of fuel that we have provided in this article.

Conclusion

All at this point, the question “how to adjust the carburetor for VAZ 2109” can be considered closed.

Finally, we note that the correct setting idle speed only possible in steady operation of the engine. Otherwise, all work will be useless.